<template>
  <div id="app" class="app-container">
    <!-- 顶部Header区域 -->
    <mt-header fixed title="黑马程序员·Vue项目">
		<span @click="goBack" slot="left" v-show="flag">
			<mt-button icon="back">返回</mt-button>
		</span>
	</mt-header>
	<!-- 添加滑动动画 -->
	<transition >
		<!-- 中间的路由router-view区域 -->
		<router-view></router-view>
	</transition>	

    <!-- 底部Tabbar区域 -->
    <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-lib" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-lib" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>

export default {
  name: 'app',
  data(){
	return {
		flag:false
	}
  },
  created(){
	this.flag = this.$route.path === '/home' ? false:true
  },
  methods:{
	goBack(){//点击后退
	this.$router.go(-1)
	}
  },
  watch:{
	'$route.path':function(newVal){
		if(newVal === '/home'){
			this.flag = false
		}else{
			this.flag = true
		}
	}
  }
}
</script>

<style scoped>
.mint-header{
	z-index: 999;
}
.app-container{
	padding-top: 40px;
	overflow-x: hidden;
	padding-bottom: 50px;
}
.v-enter{
	opacity: 0;
	transform: translateX(100%);
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;
}
	.v-enter-active,.v-leave-active{
	transition: all 0.5s ease;
}
  /* 改类名，解决tabbar点击无法切换的问题 */
.mui-bar-tab .mui-tab-item-lib.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
